TY  - BOOK
AU  - Williamson,Kenneth
TI  - Identification for ringers
T2  - British Trust for Ornithology identification guide
U1  - KUŞ 598.8 WI.I 1962 23
PY  - 1962///
CY  - [Oxford]
PB  - British Trust for Ornithology
KW  - Phylloscopus
KW  - Wood warblers
N1  - "Tansu Gürpınar" tarafından bağışlanmıştır; Includes bibliographical references
UR  - http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.566.2944&rep=rep1&type=pdf
ER  -